Distribution: Occurring on both sides of the Cascades crest in Washington; Great Lakes region and eastern North America.
Habitat: Freshwater and slightly brackish water habitats.
Flowers: June-August
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Najas canadensis in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Najas canadensis checklist entry.
OregonFlora: Najas canadensis information.
E-Flora BC: Najas canadensis atlas page.
CalPhotos: Najas canadensis photos.
USDA Plants: Najas canadensis information.